Keeping the wide variety of machinery in a nacelle operating at peak performance requires a few test and measurement tools. On the mechanical side, vibration and alignment tests, are frequent tasks. Vibration has been a knotty problem because the location and operation of wind turbines made them “immune” to international vibration standards. According to DIN…
Certification comes to the small-wind industry
A lot of noise in the small-wind industry comes from each developer testing and claiming different characteristics for their turbines. That makes comparing one with another a difficult task for consumers. OEMs for utility-scale turbines turn to companies like Germanischer Lloyd for a third party seal-of-approval. Small wind had nothing like GL until recently, when…